EP1993168A3 - Crossed dual tag and RFID system using the crossed dual tag - Google Patents

Crossed dual tag and RFID system using the crossed dual tag Download PDF

Info

Publication number
EP1993168A3
EP1993168A3 EP08103626A EP08103626A EP1993168A3 EP 1993168 A3 EP1993168 A3 EP 1993168A3 EP 08103626 A EP08103626 A EP 08103626A EP 08103626 A EP08103626 A EP 08103626A EP 1993168 A3 EP1993168 A3 EP 1993168A3
Authority
EP
European Patent Office
Prior art keywords
dipole antenna
crossed
1b
1a
tag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08103626A
Other languages
German (de)
French (fr)
Other versions
EP1993168A2 (en
EP1993168B1 (en
Inventor
Manabu c/o FUJITSU LIMITED Kai
Toru c/o FUJITSU LIMITED Maniwa
Takashi c/o FUJITSU LIMITED Yamagajo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2007125055A priority Critical patent/JP4806373B2/en
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of EP1993168A2 publication Critical patent/EP1993168A2/en
Publication of EP1993168A3 publication Critical patent/EP1993168A3/en
Application granted granted Critical
Publication of EP1993168B1 publication Critical patent/EP1993168B1/en
Application status is Expired - Fee Related legal-status Critical
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/24Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/26Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H01Q1/2225Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/16Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/16Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • H01Q9/285Planar dipole

Abstract

A crossed dual tag(10) includes two tags(1a, 1b) each of which comprises, on one plane, a dipole antenna(2) formed with conductors, a feeding part(3) to which an IC chip(5) is connected at the center of the dipole antenna(2), and a loop-shaped inductance part(4a,4b) that is formed between the dipoles(6,6) of the dipole antenna(2) and connected to the dipoles(6,6) of the dipole antenna(2) in parallel with respect to the feeding part(3). The two tags(1a,1b) are crossed at right angles, and stacked to contact each other as closely as possible so that the loops of the inductance parts(4a,4b) overlap as much as possible. A reader/writer of an RFID system sequentially switches the surface of a circular polarized wave of a wireless signal between forward and backward directions, and reads information written to a user memory area from the tag(1a,1b) that responds more strongly.
EP20080103626 2007-05-09 2008-04-21 Crossed dual tag and RFID system using the crossed dual tag Expired - Fee Related EP1993168B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007125055A JP4806373B2 (en) 2007-05-09 2007-05-09 Tag device and RFID system using the same

Publications (3)

Publication Number Publication Date
EP1993168A2 EP1993168A2 (en) 2008-11-19
EP1993168A3 true EP1993168A3 (en) 2009-06-24
EP1993168B1 EP1993168B1 (en) 2013-11-13

Family

ID=39713718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080103626 Expired - Fee Related EP1993168B1 (en) 2007-05-09 2008-04-21 Crossed dual tag and RFID system using the crossed dual tag

Country Status (6)

Country Link
US (1) US8022886B2 (en)
EP (1) EP1993168B1 (en)
JP (1) JP4806373B2 (en)
KR (1) KR100984429B1 (en)
CN (1) CN101303747B (en)
TW (1) TWI350613B (en)

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KR100978271B1 (en) * 2008-04-01 2010-08-26 엘에스산전 주식회사 Rfid tag using internal antenna and rfid system using the same
JP5163506B2 (en) * 2009-01-14 2013-03-13 三菱電機株式会社 Animal ear tag RFID tag
US20100207831A1 (en) * 2009-02-18 2010-08-19 Wu Huei-Chi Loop Dipole Antenna Module
US9092069B2 (en) 2009-06-16 2015-07-28 Intel Corporation Customizable and predictive dictionary
US8254957B2 (en) * 2009-06-16 2012-08-28 Intel Corporation Context-based limitation of mobile device operation
US8446398B2 (en) 2009-06-16 2013-05-21 Intel Corporation Power conservation for mobile device displays
US8776177B2 (en) 2009-06-16 2014-07-08 Intel Corporation Dynamic content preference and behavior sharing between computing devices
US8886119B2 (en) * 2011-02-02 2014-11-11 Nxp B.V. Coordinating multiple contactless data carriers
JP5263365B2 (en) * 2011-10-12 2013-08-14 カシオ計算機株式会社 Multi-frequency circularly polarized antenna
WO2013096995A1 (en) * 2011-12-29 2013-07-04 Ps&D Pty Ltd Improvements in rfid tags
TWI502812B (en) * 2012-07-24 2015-10-01 Univ Nat Kaohsiung Marine Dual polarized antenna
JP5609962B2 (en) * 2012-12-10 2014-10-22 三菱電機株式会社 Animal ear tag RFID tag
KR101494148B1 (en) 2013-05-14 2015-02-23 임은석 Parallel antenna and tag with the parallel antenna
JP6079520B2 (en) * 2013-09-12 2017-02-15 凸版印刷株式会社 Non-contact ic label
JP6106138B2 (en) * 2014-09-02 2017-03-29 東芝テック株式会社 Radiated radio wave detector
GB2532727A (en) * 2014-11-25 2016-06-01 Huang Yi A compact multiband circular-polarization cross-dipole antenna
JP6477310B2 (en) * 2015-07-09 2019-03-06 株式会社オートネットワーク技術研究所 Clamp and electric wire with clamp
DE102015117712A1 (en) 2015-10-16 2017-04-20 Friedrich-Alexander-Universität Erlangen-Nürnberg Imaging polarimetry
DE102016213330A1 (en) 2016-07-21 2018-03-08 Friedrich-Alexander-Universität Erlangen-Nürnberg Method for locating a mobile object and transponder for this purpose
CN106816697B (en) * 2016-12-26 2020-02-21 上海交通大学 UHF broadband circularly polarized handheld terminal antenna with low profile
CN106887687A (en) * 2017-03-25 2017-06-23 韶关学院 Supermarket's commodity electronic labeling Symmetric Orthogonal folding line element antenna and its application method
CN108958063B (en) * 2018-11-02 2019-01-29 常州普纳电子科技有限公司 A kind of intelligent household management system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020109636A1 (en) * 2001-01-16 2002-08-15 Johnson Daniel L. Omnidirectional RFID antenna
EP1370007A2 (en) * 2002-06-05 2003-12-10 Kabushiki Kaisha Toshiba Radio card
US20050040994A1 (en) * 2003-08-22 2005-02-24 Checkpoint Systems, Inc. Security tag with three dimensional antenna array made from flat stock
EP1703589A1 (en) * 2005-03-17 2006-09-20 Fujitsu Ltd. Tag antenna
US20060208900A1 (en) * 2005-01-19 2006-09-21 X-Ether, Inc. Rfid antenna

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JPH0865225A (en) * 1994-08-25 1996-03-08 Matsushita Electric Works Ltd Polarization diversity antenna system
JP3643488B2 (en) * 1998-10-30 2005-04-27 日本電信電話株式会社 IC card
JP2002280829A (en) * 2001-03-21 2002-09-27 Ee C Ii Tec Kk Antenna system
JP2003249820A (en) 2002-02-22 2003-09-05 Sharp Corp Wireless communication device
JP2003249871A (en) * 2002-02-22 2003-09-05 Sharp Corp Wireless communication system
JP3924512B2 (en) * 2002-06-27 2007-06-06 株式会社東海理化電機製作所 Chip multi-axis antenna
JP2004172906A (en) * 2002-11-19 2004-06-17 Fujitsu Ltd Planar antenna
JPWO2006011187A1 (en) * 2004-07-23 2008-05-01 三菱電機株式会社 RFID tag communication system
US7574732B2 (en) * 2004-09-29 2009-08-11 Symbol Technologies Inc Object location based security using RFID
JP2006113869A (en) * 2004-10-15 2006-04-27 Mighty Card Kk Information reading system, questioner and method for setting information reading system
KR100641636B1 (en) * 2004-12-08 2006-11-02 한국전자통신연구원 Dual Polarization Antenna and Radio Frequency Identification Reader
JP2006285594A (en) * 2005-03-31 2006-10-19 Jr East Mechatronics Co Ltd Ic card
JP4500214B2 (en) * 2005-05-30 2010-07-14 株式会社日立製作所 Wireless IC tag and method of manufacturing wireless IC tag
JP4794974B2 (en) * 2005-10-19 2011-10-19 富士通株式会社 Tag antenna, tag using the antenna, and RFID system.
JP2007295395A (en) 2006-04-26 2007-11-08 Fujitsu Ltd Antenna for tag, and tag using the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020109636A1 (en) * 2001-01-16 2002-08-15 Johnson Daniel L. Omnidirectional RFID antenna
EP1370007A2 (en) * 2002-06-05 2003-12-10 Kabushiki Kaisha Toshiba Radio card
US20050040994A1 (en) * 2003-08-22 2005-02-24 Checkpoint Systems, Inc. Security tag with three dimensional antenna array made from flat stock
US20060208900A1 (en) * 2005-01-19 2006-09-21 X-Ether, Inc. Rfid antenna
EP1703589A1 (en) * 2005-03-17 2006-09-20 Fujitsu Ltd. Tag antenna

Also Published As

Publication number Publication date
TW200849715A (en) 2008-12-16
CN101303747B (en) 2011-05-18
US8022886B2 (en) 2011-09-20
EP1993168A2 (en) 2008-11-19
EP1993168B1 (en) 2013-11-13
CN101303747A (en) 2008-11-12
KR20080099799A (en) 2008-11-13
US20080291106A1 (en) 2008-11-27
TWI350613B (en) 2011-10-11
JP4806373B2 (en) 2011-11-02
JP2008283404A (en) 2008-11-20
KR100984429B1 (en) 2010-09-30

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